Hi, I tested this on an arm64 juno target, and to get that to boot I had to backport the dtb from v4.0-rc6 to v3.18.11-rt7. Incorporated comments from Sebastian Andrzej Siewior and Ayyappa Ch. Cheers, Anders Anders Roxell (3): arm64: Mark PMU interrupt IRQF_NO_THREAD arm64: Allow forced irq threading arch/arm64: Enable PREEMPT_RT_FULL arch/arm64/Kconfig | 2 ++ arch/arm64/include/asm/thread_info.h | 3 +++ arch/arm64/kernel/asm-offsets.c | 1 + arch/arm64/kernel/entry.S | 13 ++++++++++--- arch/arm64/kernel/perf_event.c | 2 +- 5 files changed, 17 insertions(+), 4 deletions(-) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html